In 2010, GoDaddy began using X.CO as a url shortener. Several years later in 2017, the company ceased using X.CO as a shortener. URL shorteners were no longer really necessary, and the company opted to stop using the domain name as a public url shortener.
When Twitter announced its decision to rebrand as X in coordination with the X.com domain name previously acquired by Elon Musk, I wondered if GoDaddy would consider selling the X.CO domain name. The company was no longer using it, and perhaps it would be of considerable value to another company – perhaps even Twitter / X: